Spirit tweeted a video of Baldanza being dosed with ice water with messages directed to the CEOs of JetBlue, American and Delta airlines.

“.@Delta Our CEO Ben Baldanza challenges your CEO Richard Anderson to take the #IceBucketChallenge for ALS,” the airline said in one of its tweets.

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The ice bucket challenge involves asking people to either post a video to a social media website of themselves being hit with cold water or making a donation to a charity related to finding a cure for Amyotrophic Lateral Sclerosis, which is more commonly referred to as Lou Gehrig’s disease.

The videos have gone viral as celebrities and politicians have participated.

The Washington, D.C.-based ALS Association said the ice bucket challenge has helped raise $15.6 million for ALS research and brought 307,598 new donors to the group.